Xiaomi Redmi 12 5G (6GB RAM + 128GB) has better RAM than Caul C18. In terms of display resolution, Xiaomi Redmi 12 5G (6GB RAM + 128GB) has better resolution of 2460 x 1080 than Caul C18 which has resolution of 120 x 240. Xiaomi Redmi 12 5G (6GB RAM + 128GB) has more internal memory than Caul C18
| Name | Caul C18 | Xiaomi Redmi 12 5G (6GB RAM + 128GB) | 
| RAM | 32 MB | 6 GB | 
|---|---|---|
| Display | 1.77 in | 6.79 in | 
| Internal Memory | 32 MB | 128 GB | 
| Battery | 1000 mAh | 5000 mAh | 
| Camera | 0.5 MP | 50 MP + 2 MP Dual | 
| Price | Rs. 899 | Rs. 12494 | 
The cost of Caul C18 is Rs. 899. The launch Date of the second phone is August 01, 2023. The cost of Xiaomi Redmi 12 5G (6GB RAM + 128GB) is Rs. 12494.
Xiaomi Redmi 12 5G (6GB RAM + 128GB) has larger screen size of 6.79 inches in comparison to Caul C18's 1.77 inch screen. Xiaomi's phone has display density of 396 PPI & CAUL's phone has only 152 PPI display density. Caul C18 has 4:3 aspect ratio where as Xiaomi Redmi 12 5G (6GB RAM + 128GB) has 20.5:9 aspect ratio.
Xiaomi Redmi 12 5G (6GB RAM + 128GB)'s larger 6 GB RAM is better for playing games and all with respect to Caul C18's lower 32 MB RAM. Xiaomi Redmi 12 5G (6GB RAM + 128GB) has more Internal Memory (128 GB) than Caul C18 (32 MB).
Xiaomi Redmi 12 5G (6GB RAM + 128GB)'s 50 MP + 2 MP Dual Rear Camera outclasses Caul C18's 0.5 MP Rear Camera in terms of resolution.
| Name | Caul C18 | Xiaomi Redmi 12 5G (6GB RAM + 128GB) | 
| General | ||
| Model | C18 | 12 5G | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano SIM | |
| Device Type | Feature Phone | Smartphone | 
| Release Date | August 01, 2023 | |
| Design | ||
| Dimensions | 76.28 x 168.6 x 8.17 mm | |
| Weight | 199 g | |
| Colors | Moonstone Sliver, Pastel Blue, Jade Black | |
| Display | ||
| Type | Color | Color IPS Screen (16M Colors) | 
| Touch | No | Yes, 240 Hz Touch Sampling Rate | 
| Size | 1.77 inches, 240 x 120 pixels | 6.79 inches, 1080 x 2460 pixels, 90 Hz | 
| Aspect Ratio | 4:3 | 20.5:9 | 
| PPI | ~ 152 PPI | ~ 396 PPI | 
| Screen to Body Ratio | ~ 91% | |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | Brightness: 450 nits (typ.) | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 32 MB | 6 GB | 
| Expandable RAM | Upto 6 GB Extra Virtual RAM | |
| Storage | 32 MB | 128 GB | 
| Card Slot | Yes, upto 32 GB | Yes, (Hybrid Slot), upto 1 TB | 
| Connectivity | ||
| GPRS | Yes | |
| EDGE | Yes | |
| 3G | No | Yes | 
| 4G | Yes | |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n8/n40/n78 | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | No | Yes, with wifi-hotspot | 
| Wifi Version | Wi-Fi: 802.11 a/b/g/n/ac,2.4G/5G | |
| Bluetooth | Yes, v5.3, A2DP, LE | |
| USB | Yes | Yes, USB-C | 
| USB Features | USB Tethering, USB on-the-go | |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with AGPS, GLONASS, BeiDou | |
| Fingerprint Sensor | Yes, Side | |
| Face Unlock | Yes | |
| Sensors | Ambient Light Sensor, E Compass, Accelerometer, IR Blaster | |
| 3.5mm Headphone Jack | Yes | Yes | 
| Splash Resistant | Yes | |
| IP Rating | IP53 | |
| Dust Resistant | Yes | |
| Extra Features | Voice recorder, Call Recorder, Contact Icon | Premium Glass Back, MIUI Dialer, LPDDR4X RAM, Bottom firing loudspeaker | 
| Camera | ||
| Rear Camera | 0.5 MP Rear Camera | 50 MP ƒ/1.8 (Wide Angle) PDAF 2 MP ƒ/2.4 (Macro) | 
| Auto Focus | Yes | |
| Features | Night, Video, 50MP mode, Google Lens, HDR, Google lens, Voice shutter, Tilt-shift, Timed burst, Time Lapse | |
| Video Recording | No | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 
| Flash | Yes, LED | |
| Front Camera | No | 8 MP ƒ/2 (Wide Angle) Punch Hole | 
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v13 | |
| Custom UI | MIUI 14 | |
| Chipset | Qualcomm Snapdragon 4 Gen2 | |
| CPU | 1.77 MHz Processor | 2.2 GHz, Octa Core Processor | 
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | |
| GPU | Adreno GPU | |
| Java | No | No | 
| Browser | Yes | |
| Multimedia | ||
| Yes | ||
| Music | Yes | Yes | 
| Video | Yes | |
| FM Radio | Yes | No | 
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 1000 mAh | 5000 mAh, Li-Po Battery | 
| Fast Charging | Yes, 18W | |